五、科学准确的结论
5、 Scientific and accurate conclusion
这两首农谚还形象地揭示了生物的周期性现象与时节气候的关系,与现代科学家竺可桢的物候学理论研究成果竟不谋而合,如:五九回阳九,沿着河岸插杨柳;九九尽了九,冬去春来花草稠。
These two agricultural proverbs also vividly reveal the relationship between biological periodicity and seasonal climate, which coincides with the research results of modern scientist Zhu Kezhen's phenology theory, such as: five nine return to Yang nine, willow is planted along the river bank; nine end in nine, flowers and grass are thick in spring.
农谚中“五九回阳九,沿着河岸插杨柳”之说,这里的“回阳”是有科学依据的。地理学、天文学研究表明,从冬至日也就是开始数九之日始,太阳已从南回归线渐渐向赤道转移。到了五九时节,天气明显变暖,太阳也离人越来越近了,当地的农民的“回阳”之说正与此不谋而合。
There is a scientific basis for the saying in the agricultural proverb "five nine return to Yang nine, and willow along the river bank". According to the research of geography and astronomy, the sun has shifted from the Tropic of cancer to the equator from the beginning of the ninth solstice. By May 9th, the weather is obviously warming, and the sun is getting closer and closer. The local farmers' theory of "returning to the sun" coincides with this.
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